Finding the Fourth Proportional to 5,231,633,788.44, 7,219,601,911.26 and 2,852,765,715.48
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Solution
The fourth proportional to 5,231,633,788.44, 7,219,601,911.26 and 2,852,765,715.48 is: 3,936,787,941.34
Step by Step Solution
- Step 1: Write the proportion equation
5,231,633,788.44 : 7,219,601,911.26 = 2,852,765,715.48 : x - Step 2: Convert to fraction form
5,231,633,788.44/7,219,601,911.26 = 2,852,765,715.48/x - Step 3: Cross multiply
5,231,633,788.44x = 7,219,601,911.26 × 2,852,765,715.48 - Step 4: Simplify right side
5,231,633,788.44x = 20,595,832,811,856,408,576 - Step 5: Solve for x
x = 20,595,832,811,856,408,576/5,231,633,788.44 - Step 6: Final answer
x = 3,936,787,941.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.